Finding the Fourth Proportional to 42,084.09, 63,136.53 and 12,501.87

Step by Step Solution

1. Step 1: Write the proportion equation
   42,084.09 : 63,136.53 = 12,501.87 : x
2. Step 2: Convert to fraction form
   42,084.09/63,136.53 = 12,501.87/x
3. Step 3: Cross multiply
   42,084.09x = 63,136.53 × 12,501.87
4. Step 4: Simplify right side
   42,084.09x = 789,324,690.31
5. Step 5: Solve for x
   x = 789,324,690.31/42,084.09
6. Step 6: Final answer
   x = 18,755.89